From: Vladimir Zapolskiy <vz@mleia.com>
Date: Thu, 21 Dec 2017 16:37:30 +0000 (+0200)
Subject: gpiolib: remove a redundant check in gpiod_to_chip()
X-Git-Tag: for-linus-20180210~43^2~28
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=dd3b9a44083d3815517a692f8181be8c30c0a1aa;p=linux-block.git

gpiolib: remove a redundant check in gpiod_to_chip()

This non-functional change slightly simplifies the implementation
of gpiod_to_chip() function.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 02cf658eeedd..c23cc6b586ba 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -161,7 +161,7 @@ EXPORT_SYMBOL_GPL(desc_to_gpio);
  */
 struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)
 {
-	if (!desc || !desc->gdev || !desc->gdev->chip)
+	if (!desc || !desc->gdev)
 		return NULL;
 	return desc->gdev->chip;
 }